Advances in Engineering Research

This study aims to understand the regulatory mechanism of Conyza canadensis water extract (CCE) on the photosynthetic characteristics of Pakchoi through two application methods: root irrigation and exogenous foliar spraying, in order to analyze the impact of allelopathic substances on the photosynthetic...

Seismic activity and stress concentration in soil cavities are prone to induce landslides, resulting in surges and overflows that reduce the stability of dam structures, thereby posing a threat to the safety of downstream areas. To analyze the stability of slopes under different water storage conditions...

The author of this paper in the process of detonation possible problems: not accident when explosive accident, when not explosion point or not, the airbag static expansion needed power supply parameters, can be designed for air bag deployment time, adjustable current size parameters of embedded power...

High-rise buildings have very slender, atypical, and lightweight shapes such that the higher they become, the more flexible they are, and it is very important to review closely the structure behavior, stability, and usability when designing ultrahigh-rise buildings with a great influence from dynamic...

Food packaging plays a crucial role on food safety. A gas chromatography and mass spectrometry technology was used to determine and analyze eight solvent residues in three kinds of moon cake plastic packages. In the experiment, linear calibration curves of the eight compounds were obtained with correlation...

According to the statistics, the energy consumption of the university is more than the social average consumption. Coupled with the construction of energy-saving requirements, the external walls and roof are not adopted, the structure of the performance is poor.At the same time, relevant standards is...

Aiming at the key problem of GLCC multiphase flowmeter control system design, this thesis proposes a kind of gas-liquid separation task handed to the VxWorks, and adoptes liquid level fuzzy control by using of the theory of fuzzy mathematics to ensure the full separation of the gas-liquid. The technology...

Algorithms based on Khatri-Rao (K-R) product improve the degree of freedom (DOF) of virtual arrays and thus more source angles can be estimated. However, the estimation accuracy is not satisfying. In this paper, a method considering spatial sparsity (SS) of sources in K-R subspace is proposed to estimate...

The flow stress curves of Cu-1.0%Zr-0.15%Ce alloy during high temperature deformation were analyzed by using a Gleeble-1500D thermal simulation machine at the hot deformation temperature of 550 C, 650 C, 750 C, 850 C and 900 C, the strain rate of 0.001 s-1 0.01 s-1 0.1 s-1 1 s-1 10 s-1 , respectively....

In the study investigate the ameliorative effect of the extract of Polygonum Cuspidatum (PC) in combination with aerobic exercise in hyperlipidemia rat. The rats were raised by high fat diet for four weeks; meanwhile these rats were treated with PC and aerobic exercise for four weeks. The rats were executed...

We present a combined early arrival P-wave and Rayleigh wave inversion strategy that uses the cross-gradient between the P-velocity and S-velocity as a regularization term. First, the P-velocity model is inverted by the early arrival full wave inversion (FWI) method. Then the magnitude spectra of the...

Defense is one of the most important aspects of the game who will win. This is be gradually accepted by many people. Today we have number of various defense training methods, but using the auxiliary equipment and simulation technologies, and calculating on the basis of individual differences in athletes...

PM 2.5, as an important index about air pollution, whose form and composition is very complicated, has a negative influence on humankind. The paper, according to the meteorological data from Wu Han environmental air automatic monitoring station, conducts an quantitative analysis of independence and the...

The effects of agricultural wastes on degradation of polycyclic aromatic hydrocarbons(PAHs) and abundance of ammonia-oxidizing archaea (AOA) and ammonia-oxidizing bacteria (AOB) in PAH-polluted soils were determined by liquid chromatography and real-time quantitative PCR. The results showed that addition...

Dynamic explicit finite element analysis is practical and significant to study vehicle spiral rolling. By means of HyperMesh and LsDyna, numerical simulation is achieved with deformation, posture and acceleration obtained. During spiral rolling process, vehicle roof comes much close to occupant head...

Boronizing is one of the most effective methods of thermochemical treatment of iron-carbon alloys. Boride layers formed with the diffusion can considerably increase abrasion resistance (up to 5-30 times), heat resistance (up to 1.5-2 times) of steels. The aim of this paper is to study structure and wear...

With the coming of knowledge economy era, the knowledge that people learn in the college has been far from enough to meet the needs of the workplace, so the people need to learn the knowledge for lifetime. It becomes the key point of English education reform that how to improve the autonomous learning...

Growth behavior of intermetallic compounds (IMCs) layer between Sn-3.0Ag-0.5Cu solder and Cu substrate were studied during aging at 150 ?"? for 1 day, 3 days, 6 days, 8 days and 10 days, respectively. Results shows that the IMCs layer is scallop shape at aging stage, and the aspect ratio of scallop shape...

It is an urgent task for the coal industry in China and even the world to realize the position of the injured and the excavation equipment under the mine. Due to its advantages of high efficiency, low cost, and suitable accuracy, binocular stereo vision measurement methods have become a popular trend...

Procedures of control actions selection are considered for the purpose of state parameters adjustment to the feasible region. The calculation procedure is divided into two stages – steady state calculation (equality constraints) and state adjustment to the feasible region (inequality constraints).

Kuznetsk coal basin is one of the largest and most promising basins of the Russian Federation. Deposits of Kuzbass coal are complex ore-coal deposits, containing industrial concentrations of goal, platinum, rare metals in coals, waste coal and bottom ash waste, the extraction of which creates products...

In order to reduce the impact of measurement error on wireless sensor network localization, shuffled frog leaping algorithm is applied to location calculation of rang-based localization. This paper proposes a shuffled frog leaping localization algorithm. This algorithm designs fitness function weighted...

Sewage sludge contains large amounts of energy and gasification of sewage sludge may be one of the promising sustainable approaches for hydrogen-rich syngas production from sewage sludge. However, raw sludge is unsuitable for direct gasification and thus pretreatment is necessary to improve its fuel...

In recent years, there are many reports about the flood disaster. These reports reflect the lag of the early warning system of hydrological safety in our country, and it is an urgent need to establish the flood disaster safety early warning system of hydrological in these areas . In order to quickly...

As number and frequency of flight is increasing, the safety of air traffic becomes important issue of concern. Currently what is used to ensure the safety of air traffic contains air traffic control (ATC), airborne collision avoidance system (TCAS) and automatic dependent surveillance technology (ADS-B),...

Due to the disadvantages of traditional mercury thermometers, such as longer measurement time and necessity of contact with the human body, a thermometer that uses infrared sensors to detect temperature without contact is designed. The Infrared temperature sensor MLX90614 is designed to collect human...

Geospatial Artificial Intelligence (Geo-AI) is an interesting topic in its development and application in our lives. One of them is spatial planning which contributes to the economic and social development of a region or country. Spatial data is the main thing in this research, by maximizing the effectiveness...

Highway construction progress management in Southeast Asia is backward and inexperienced, in order to address this problem, this paper analyzes the highway construction progress management in Southeast Asian environment and proposes a dynamic optimization scheme. The article takes Thailand Rama San to...

Deep and large faults seriously restrict the design and construction of tunnels, and the advanced geological prediction of deep and large faults is of great significance. To finely analyze the propagation mechanism of seismic waves in the advanced geological prediction of deep and large faults in tunnels,...

Intelligent ships face the problem of accurate and real-time perception of the surrounding environment during the berthing and de-berthing. This paper proposes a Poly YOLO detector based on the YOLOv3 network. Firstly, the detection rate and efficiency of the Poly-YOLO structure is enhanced by introducing...

Separating or peeling coffee fruit from its pulp is an important stage in producing coffee beans before dried under the sunlight. In Gayo highland, The Province of Aceh, UMKM M. Nur Hasan is one of producers or businessmen in processing gayo arabica coffee fruits to produce gayo arabica coffee beans....

Krakatau Argo Logistics Inc. (KAL Inc.) is a company that works in the field of multimodal transportation business services. Currently, the selection of KAL Inc. trailer vendors is only based on the availability and intuition of decision-makers. Therefore, it is necessary to do research this trailer...

With the rapid development of the e-commerce, shopping online has gradually become one of the most im-portant way of shopping in our life. But there are still some problems, such as size, color, quality and other is-sues. We can always find some comments that some clothes have color difference. The consumers...

[Objective] The objective of this study is to identify viruses infecting potato planted in winter in Guangxi for establishing a future healthy potato seed program and better disease control in the field. [Method] One hundred and nine samples with viral disease-like symptoms were collected from potato...

O-E theodolite is consisted of the subsystems. At present, each subsystem is emplaced separately and connected by cables, which leads to a comparably enormous volume. Therefore, the application of PXI bus technology is optimum that allows inserting every subsystem in a PXI chassis thus largely reduce...

Silt foundation of the power plant in Shangqiu area was select as the research object, to verification the effect of foundation treatment for CFG pile and CFG pile + vibro-replacement stone column pile methods. The results showed that: bearing capacity of the foundation was improved after the CFG pile...

According to the performance requirements of brake friction plate in the high speed train, Cu-based friction material was prepared by powder metallurgy technology. The friction components are mainly atomized Fe, a small amount of Cr and SiO2. And a high coefficient is caused by the friction resistance...

Providing optimal path information and the personal navigation path is the open issue for the pedestrian guided system. In order to solve the problems existing in the pedestrian guided system nowadays, such as the jagged paths which probable exist in the shortest path, and the lack of the considerations...

Seismic design of underground structures is an important part in earthquake engineering. Numerous simplified calculation methods have been raised in the seismic design of horizontal structures. According to the Chinese code in the seismic design of subway structure which was put forward 2014, it is crucial...

Computed tomography (CT) technology and three-dimensional (3D) reconstruction technology based on CT both play a significant part in many medical applications such as auxiliary diagnosis and surgery simulation [1]. But the radiation in CT may induce other diseases such as cancer. Therefore, low-dose...

In this paper, based on the traditional Bayesian risk, aiming at the empirical Bayesian estimation of the double exponential distribution’s scale parameter, through an improved inequality about the LINEX loss function, we reduce the order of the convergence speed of the parameter in Bayesian estimation...

Traditional forms of Hydraulic Clamping System is applied in the Automatic Machining System of machine tool in the past , however its defects are obviously such as relatively complex speed control circuit , large loss of pressure keeping and so on. Aiming at these defects in this paper puts forward a...

In collecting on the basis of traditional batiks patterns, the traditional batiks patterns are classified and summarized the composition of traditional batiks patterns in the form of law, law of color, pattern characteristics, cultural connotation, refining traditional batik pattern elements, will be...

In today's rapid economic development, people's lives have been limited to the pursuit of material conditions, but the pursuit of the spirit of the pursuit of a higher level, emotional design came into being, its design has been filed in many areas. Study on interface design with high development in...

In this paper, an experimental study and numerical simulation method was combined to research the impact of a power plant 600MW supercritical four walls tangentially fired boiler furnace OFA wind opening size on the inside furnace NOx concentration distribution and the results coincide. There are four...

The existing conventional water treatment process of the water resources is difficult to meet the drinking water quality requirements. In order to make the treated water to reach the drinking water quality standards, the Fenton Oxidation has been used to remove the trace phenol of the drinking water...

The acoustic emissions are the high frequency waves caused by the sudden release of energy from local points within a loaded rock specimen. In common terms these emissions can be related to the formation of microcracks within the rock structure. As the failure propagation in a brittle rock is very much...

The study selected the importance of water conservation, the importance of soil and water conservation and the importance of biodiversity protection to comprehensively assess the importance of ecosystem service function and its regional variation of Henan province. Results showed that the extremely important...

A key management strategy based on cluster is given to guarantee wireless sensor networks secure. The sensing hypercube is divided into numerous the same small hypercubes with the same dimension with the sensing hypercube. Those small hypercubes are called as cells and cells consist of a cluster, where,...

Local Microorganisms (MOL) are fermented liquids made from natural ingredients that contain microorganisms that have the potential to transform organic matter, stimulate growth, control pests and plant diseases. Broccoli includes horticultural plants which are a source of vitamins A, B complex, C, calcium,...

Cylindrical liner is the place of burning to generate power or effort inside the Mother Machine. The size of the oversized diameter will affect the incomplete combustion. The purpose of this study was to determine the causes of broken piston rings and surging, the impact of oversized liners and strategies...

Fatigue, corroding and tribological properties of machine parts are mostly determined by surface quality formed during finishing operations. One of the most effective ways to form the required surface is by ultrasonic smoothing. The article presents experimental results of ultrasonic surface smoothing...

A scheme for wireless sensor network security is given by mainly utilizing unital-based strategy in this paper. The two-dimension sensing square is divided into numerous small squares called cells, and one cluster consists of four small squares. All sensors are same and distributed in the sensing square...

Although green food have many benefits and have got many achievements, green food penetration and consumer awareness in China is not enough, and the E-commerce marketing strategy is not perfect at the same time. On the basis of these problems, this paper investigate customers' demand motivation through...

Green building has rapidly developed since it entered the Chinese construction market. But the design pattern and the design method is not suitable for some problems. This paper studied the design process, Personnel cooperation and advanced information technology sharing three aspects, and explored suitable...

Under the new period, the emergence of 3D printing technology changes the world, so it receives much attention of various fields. The cultivation of 3D printing technology plays an irreplaceable role in transforming and upgrading national high-end manufacturing industry as well as enhancing core competitiveness....

Visible-light responsive bismuth pyrostannate (Bi2Sn2O7) photocatalysts with the clew-like morphology have been synthesized by the hydrothermal method. XRD, FE-SEM, BET, UV-vis DRS was used to characterize the phase structure, surface morphology, and optical properties of catalysts. When the hydrothermal...

Today language policy and planning (LPP) issues have gone beyond the state borders entering the international arena. Governments seek to expand the sphere of their influence abroad, with language promotion being one of the exceedingly popular tools. The paper describes external language policy and planning...

Regional Regulations have a very strategic role in the implementation of regional governance. Various efforts to improve the quality of the Regional Regulation keep continuing, including through Law Number 12 in 2011 concerning the Formation of Laws and Regulations which require the preparation of Academic...

The most likely happen problem on embankment construction is settlement and land deformation even sliding because of loads. Those failures can be caused by embankment fail or subsoil fail and the triggers are overloading loads, low bearing capacity also high compressibility of the soil. To avoid high...

Patchouli oil distillery waste (PODW) was used as a substrate for methane production in wet semi-continuous and dry batch anaerobic digestion (AD). In wet semi-continuous AD, the system was operated with recirculation of effluent. Two reactors with 300 mL of working volume were operated for 45 days in...

In 2021, Indonesia’s renewable energy usage reached 15%, short of the 23% target set for 2025. To increase the renewable energy mix, PLN implemented biomass co-firing in existing coal-fired power plants. Indonesia’s industrial waste has a biomass potential of 15,635.7 MWe, which still needs processing...

In order to investigate the influence law of different factors on the expansion of water-stabilised base mixes, five factors, namely, gradation type, cement dosage, 0.075mm passage rate, sulphate content, and recuperation conditions, were considered, and the temperature intervals were set to be -20-0℃,...

Technological developments, especially smartphones, have led to an authentication process that must be developed. One of them is the use of the iris in the authentication process. The use of the iris can increase security in the authentication process because the structure of the iris is unique and differs...

This paper is devoted to discussing the application of artificial intelligence in the management of communication networks. It analyzes the unique advantages and difficulties encountered in the development of artificial intelligence and the effective application of artificial intelligence in communication...

Cement concrete has the advantages of abundant sources of raw materials, low cost, convenient molding, etc., and is extremely widely used in the field of building construction. Whereas, due to the high brittleness and low tensile strength of concrete, cracks are easy to occur during use, resulting in...

In contemporary bridge construction, stringent requirements are placed on the water-blocking effect of bridge piers; however, the precision of current analysis methods is relatively low. To better analyze the water-blocking effect of circular skewed bridge piers, numerical simulation methods were employed...

This research explores the digital technological factors influencing the development of the global construction industry in the context of rapid digitalization. Experts identified and evaluated key digital technologies using bibliometric analysis and the fuzzy Delphi method. The analysis identified eight...

The intersection of ergonomic design and agroecological practices remains underexplored in developing-country agrotourism systems, despite their potential to simultaneously improve farmer health, productivity, and environmental sustainability. This study presents a novel integrative framework that combines...

Using System Dynamics, it analyzed the influences of carbon emissions in the aspects of "population-energy-economy" qualitatively. Then calculated Beijing's carbon emissions quantity based on the energy consumption. Though improved model of relationship of "population-energy-economic" to carbon emissions,...

More and more people like succulents because of its unique ornamental.Their growth state and shape depend on the growth environment.The specific requirement of the environment includes the temperature, light and humidity. Suitable environmental conditions can develop highly ornamental value products....

Flue gas assisted steam gravity drainage technique (SAGP) is a both economic and environmental approach to improve heavy oil reservoir development effect, which can control steam chamber growth, save thermal energy and reduce greenhouse emission. Based on the problems of a pilot SAGD reservoir at Liaohe...

News aggregator usually indexes billions of news from Internet and try to recommend news according to readers' intrinsic interests. Retrieval for similar news, deduplication and event detection are common problems in aggregator systems, and related works are reported in [1], [2], [3], [4] and [5]. We...

Large aperture convex aspheric optical components are widely used in imaging systems such as astronomy and space telescopes. Measurement of the figure error of the convex aspherical surface with high precision has been a challenge. We have proposed partial compensating interferometry with catadioptric...

In the present research, single-factor experiments and a three-variable, five-level central composite design were performed to study on the ionic liquids-based ultrasoni-assisted extraction of total flavonoids from Manilkara zapota leaves. The optimum parameters were: 0.95 M [C4MIM]Br, liquid/ solid...

Chinese and foreign academic circles have made certain progress in the study of mesoscale wind environment and urban spatial form. However, due to the different research background and approach, the academic achievements made in this field vary to some extent in China and abroad. In China, the academic...

In order to meet the needs of intelligent products, the system of remote controlled intelligent flowerpot is designed. For the sake of no person caring of flowerpot long time, the flowerpot system is controlled by a GSM-SM modem. Experiments show that this remote controlled intelligent flowerpot system...

The healthy and harmonious growth of excellent athletes relates to not only the development of the athletes themselves, but also the benign development of the country sports enterprise. Through the questionnaire, this study investigates Chinese athletes’ cultural quality and proposes that it’s very necessary...

Injection of gas-carried powders by an immersed lance is among the most popular desulphurization methods in many metallurgical processes. This paper proposes a CFD algorithm to simulate the transient multiphase flow in the powder injection process, using the volume of fluid (VOF) method to calculate...

In order to realize roundness detection of rotary type parts in industrial field without interruption machining process, an image measurement method was proposed in this paper. Using adaptive threshold, the image edge can be determined by calculating modulus maximum in gradient direction in different...

OFDM (Orthogonal Frequency Division Multiplexing) system dynamic resource allocation can be utilized effectively limited system power and spectrum resources, improve system performance and those are widely studied. This article focuses on the resource allocation problem of a single-user, multi-user and...

Choose the aluminum borate whisker (40wt%) reinforced aluminum phosphate composite material, molding under the pressure of 100 MPa and 200 MPa, and sintered at 1050øC, 1100øC, 1150øC, 1200øC, 1250øC, 1300øC, 1350øC, then test the flexural strength, Vickers hardness and fracture toughness of composites....

Dissimilar magnesium alloy AZ31 and pure copper sheets with a thickness of 5mm were successfully friction stir welded. Microstructure and mechanical properties of the butt joints were investigated. Complicated microstructure was formed in the nugget zone, in which vortex-like pattern and lamella structure...

The objective of this study was to evaluate the bistability of living district water distribution system and impact factors under different hydraulic operation conditions. In order to study bacterial regrowth potential in water distribution system, biodegradable dissolved organic carbon (BDOC) was taken...

The training system of 1234 engineering and technical personnel was implemented in requirements of the plan for educating and training excellent engineers by School of materials science and engineering, Shandong Jianzhu University. The construction of three-dimensional platform between the laboratory,...

The synthesis and fluorescence properties of water-soluble ZnSe:Fe/ZnS core/shell quantum dots with L-cysteine as the stabilizer in aqueous solution are reported in this paper. The structure, component and fluorescence properties of quantum dots were characterized by X-ray powder diffraction (XRD),infrared...

a function of automotive exteriors, automobile skylight from the early applied to high-end models, development up to now, have become more popular in the car at all levels. Enclosed is the priority study of automobile skylight, the sealing test is becoming more and more attention ,in modern society,...

The article summarizes the results of a comprehensive environmental assessment of the Sturgeon river basin in 2018 based on the results of engineering and environmental surveys obtained in the framework of environmental monitoring from June 20 to July 29, 2018 on the rivers Oka and Osetr in the Zaraysky,...

The theoretical calculation method of gun barrel strength is put forward.First of all,get the stress function solutions of the plane axisymmetric problems based on equilibrium, geometry and physical equations.Secondly,the radial theoretical formula for the stress, strain and displacement of the barrel...

According to the transmission line theory, the theoretical model of the frequency response characteristic test tool for broadband high frequency current sensor is constructed. Then, SolidWorks and XFdtd is used to model and simulate the tool to find the optimal design parameters of the core coaxial tool...

Based on the standard atmospheric polarization model, the principle of bionic polarized light orientation is studied, and the formula of solar height angle and azimuth angle is given. Then the calculation method of polarization degree and polarization azimuth angle is studied. The method of calculating...

High-frequency PCB is widely used in the microwave devices, such as RF circuits and patch antennas. The performance of the PCB is mainly determined by the parameter of complex permittivity. There are many methods to measure the complex permittivity of the PCB. Among these methods, strip-line resonator...

Agricultural landscape is a reality show about the agricultural civilization, which is an expression of the agricultural economy, society and other aspects, including cultivated land, crops, roads, canals and forest belts as the mosaics of the landscape patches. It is a kind of synthetic expression of...

CDIO educational pattern is the latest achievement of the international engineering education reform. This paper obtains the capacity index system of software engineering major based on TOPCARES-CDIO T-C education idea according to the latest industry research. This system can be a very detail foundation...

Coconut milk is a milk-white liquid and comes from grated coconut meat which is moistened and then squeezed and filtered. Coconut milk can be used to soften the skin, and can eliminate black spots on the face, because it is rich in natural fatty acids and contains antiseptics. Hyperpigmentation is a...

The uniparted hyperboloid is a kind of ruled surface, which has a simple and beautiful appearance and is widely used in architectural planning and design. This paper analyzes the characteristics of uniparted hyperboloid from a mathematical point of view, and expounds how to flexibly apply uniparted hyperboloidin...

Image Mobile Applications are hugely installed in various mobile phones now a days as mobile application developments are overwhelmingly increasing. As per survey huge number of mobiles apps is developed for performing fraud activities in recent years. Many application developers are indulging in shady...

Drainage is a supporting construction that functions to drain water in an area to avoid flooding. However, if the drainage is damaged, then the damage can cause flooding which can result in disruption of the road structure. On the Gadobangkong- Padalarang route, there was an inundation in the drainage...

Kemuning Lor Village faces significant environmental challenges from methane emissions due to poorly managed agricultural and livestock waste. To address this, this research details the development of SMART-RUDI, a smart home concept integrating waste management with a solar power system. The system...

This study evaluates passenger satisfaction with the Bus Rapid Transit (BRT) systems in Bali, specifically the Trans Metro Dewata and Trans Sarbagita services, within the Sarbagita region. The research employs a quantitative approach, utilizing surveys to measure user satisfaction across various service...